48 
IOWA ACADEMY OP SCIENCE 
Celtis occidentalis L. Hackberry. Oto 45 (HBC), Hamburg 
(LHP & HBC), Payne (LHP & HBC), Sioux City (HBC), 
Sioux Eapids (LHP), Council Bluffs 39, 58 (LHP & HBC), 
Missouri Valley (HBC). Common in ravines and on the slopes 
of loess bluffs. 
Madura poniifera (Eaf.) Schneider. Osage Orange. Ham- 
burg, an escape. Commonly cultivated. Not entirely hardy 
northward. 
Morus rubra L. Red Mulberry. Hamburg (LHP & HBC), 
Council Bluffs 45 (LHP & HBC), Payne (LHP & HBC). Not 
common. In ravines. 
Morus alba L. var. tatarica Loudon. Russian Mulberry. Ham- 
burg 14 (LHP & HBC). Council Bluffs 21 (LHP & HBC). 
Escaped from cultivation. Not common in western Iowa. 
MAGNOLIACE^ Magnolia Family. 
Magnolia acuminata L. Cucumber Tree. Occasionally . cul- 
tivated southward. 
Liriodendron tulipifera L. Tulip Tree. Occasionally cul- 
tivated. 
CALYCANTHACE^ Strawberry Bush Family. 
Calycanthus laevigatus Willd. Strawberry Bush or Sweet 
Scented Shrub. Occasionally cultivated southward. 
AN ONAGER Papaw Family. 
Asimina triloba Dunal. Common papaw. Hamburg 6 (LHP 
& HBC), Payne 25 (LHP & HBC). The papaw is common in 
edge of thickets, loess bluffs, usually up in the ravines. 
MENISPERMACE.® Moonseed Family. 
Memspermum canadense L. Moonseed. Hamburg (LHP & 
HBC), Sioux City (Bandusia Wakefield). 
BERBERIDACEu® Barberry Family. 
Berberis vulgaris L. Common Barberry. Hamburg, Payne, 
Sioux City (LHP & HBC). Occasionally an escape. Red 
tinted leaved form also cultivated. 
Berberis Thunbergii DC. Red Fruited Barberry. Common- 
ly cultivated. 
SAXIFRAGACE^ Gooseberry Family. 
PKiladelphus coronarius L. Common Mock Orange. Com- 
monly cultivated. Sioux City, Whiting, Council Bluffs, Ham- 
burg. 
